Ap_Id                          Type         Receptacle   Occupant     Condition
[...]
mega_sas1:scsi                 scsi-bus     connected    configured   failed
mega_sas1:scsi::sd11           disk         connected    configured   failed
mega_sas1:scsi::sd12           disk         connected    configured   failed
mega_sas1:scsi::sd13           disk         connected    configured   failed
mega_sas1:scsi::sd14           disk         connected    configured   failed
mega_sas1:scsi::sd15           disk         connected    configured   failed
mega_sas1:scsi::sd16           disk         connected    configured   failed
mega_sas1:scsi::sd17           disk         connected    configured   failed
mega_sas1:scsi::sd71           disk         connected    configured   failed

boot messages:

Jan  5 20:29:20 dump.linpro.no pcie_pci: [ID 586369 kern.info] PCIE-device: pci1000,2004@e, mega_sas1
Jan  5 20:29:20 dump.linpro.no genunix: [ID 936769 kern.info] mega_sas1 is /pci@0,0/pci8086,3599@6/pci8086,370@0/pci1000,2004@e
Jan  5 20:29:21 dump.linpro.no scsi: [ID 583861 kern.info] sd11 at mega_sas1: target 0 lun 0
Jan  5 20:29:21 dump.linpro.no genunix: [ID 936769 kern.info] sd11 is /pci@0,0/pci8086,3599@6/pci8086,370@0/pci1000,2004@e/sd@0,0
Jan  5 20:29:27 dump.linpro.no scsi: [ID 583861 kern.info] sd12 at mega_sas1: target 1 lun 0
Jan  5 20:29:27 dump.linpro.no genunix: [ID 936769 kern.info] sd12 is /pci@0,0/pci8086,3599@6/pci8086,370@0/pci1000,2004@e/sd@1,0
[...]